Google is announcing a variety of classroom and accessibility-focused ChromeOS features today, and one of the standouts is being able to control your computer with your head and facial expressions. The feature — aimed at those with motor impairments — was first announced in early December, but it’s now rolling out to more users with compatible Chromebooks (Google recommends 8GB of RAM or more).This isn’t Google’s first foray into the face-as-a-cursor space. It previously made an open-source AI a...